CVE-2026-41034

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2026-41034
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-41034.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-41034
Published
2026-04-16T06:06:44Z
Modified
2026-08-12T03:51:17Z
Severity
  • 5.0 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N CVSS Calculator
Summary
[none]
Details

ONLYOFFICE DocumentServer before 9.3.0 has an untrusted pointer dereference in XLS processing/conversion (via pictFmla.cbBufInCtlStm and other vectors), leading to an information leak and ASLR bypass.

Database specific 
{
    "cna_assigner": "mitre",
    "cwe_ids": [
        "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41034.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "fixed": "9.3.0"
                }
            ],
            "source": "AFFECTED_FIELD"
        },
        {
            "extracted_events": [
                {
                    "fixed": "9.3.0"
                }
            ],
            "source": "DESCRIPTION"
        }
    ]
}
References

Affected packages

Git / github.com/onlyoffice/documentserver

Affected ranges

Type
GIT
Repo
https://github.com/onlyoffice/documentserver
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
b8ad25cc7e6316abe4406dab8aac080d5d53998a
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "9.3.0"
        }
    ],
    "source": "DESCRIPTION"
}

Affected versions

ONLYOFFICE-DocumentServer-3.*
ONLYOFFICE-DocumentServer-3.0.0
ONLYOFFICE-DocumentServer-4.*
ONLYOFFICE-DocumentServer-4.0.0-9
ONLYOFFICE-DocumentServer-4.0.1-34
ONLYOFFICE-DocumentServer-4.0.2-4
ONLYOFFICE-DocumentServer-4.0.3-3
ONLYOFFICE-DocumentServer-4.1.2-37
ONLYOFFICE-DocumentServer-4.1.4-3
ONLYOFFICE-DocumentServer-4.1.5-1
ONLYOFFICE-DocumentServer-4.1.6-3
ONLYOFFICE-DocumentServer-4.1.8-1
ONLYOFFICE-DocumentServer-4.2.0
ONLYOFFICE-DocumentServer-4.2.1
ONLYOFFICE-DocumentServer-4.2.10
ONLYOFFICE-DocumentServer-4.2.11
ONLYOFFICE-DocumentServer-4.2.3
ONLYOFFICE-DocumentServer-4.2.4
ONLYOFFICE-DocumentServer-4.2.5
ONLYOFFICE-DocumentServer-4.2.7
ONLYOFFICE-DocumentServer-4.2.8
ONLYOFFICE-DocumentServer-4.2.9
ONLYOFFICE-DocumentServer-4.3.0
ONLYOFFICE-DocumentServer-4.3.1
ONLYOFFICE-DocumentServer-4.3.2
ONLYOFFICE-DocumentServer-4.3.3
ONLYOFFICE-DocumentServer-4.3.4
ONLYOFFICE-DocumentServer-4.3.5
ONLYOFFICE-DocumentServer-4.3.6
ONLYOFFICE-DocumentServer-4.4.1
ONLYOFFICE-DocumentServer-4.4.2
ONLYOFFICE-DocumentServer-4.4.3
ONLYOFFICE-DocumentServer-5.*
ONLYOFFICE-DocumentServer-5.0.3
ONLYOFFICE-DocumentServer-5.0.4
ONLYOFFICE-DocumentServer-5.0.5
ONLYOFFICE-DocumentServer-5.0.6
ONLYOFFICE-DocumentServer-5.0.7
ONLYOFFICE-DocumentServer-5.1.0
ONLYOFFICE-DocumentServer-5.1.1
ONLYOFFICE-DocumentServer-5.1.2
ONLYOFFICE-DocumentServer-5.1.3
ONLYOFFICE-DocumentServer-5.1.4
ONLYOFFICE-DocumentServer-5.1.5
ONLYOFFICE-DocumentServer-5.2.0
ONLYOFFICE-DocumentServer-5.2.2
ONLYOFFICE-DocumentServer-5.2.3
ONLYOFFICE-DocumentServer-5.2.4
ONLYOFFICE-DocumentServer-5.2.6
ONLYOFFICE-DocumentServer-5.2.7
ONLYOFFICE-DocumentServer-5.2.8
ONLYOFFICE-DocumentServer-5.3.0
ONLYOFFICE-DocumentServer-5.3.1
ONLYOFFICE-DocumentServer-5.3.2
ONLYOFFICE-DocumentServer-5.3.4
ONLYOFFICE-DocumentServer-5.4.0-2
ONLYOFFICE-DocumentServer-5.4.1
ONLYOFFICE-DocumentServer-5.4.2
ONLYOFFICE-DocumentServer-5.5.0
ONLYOFFICE-DocumentServer-5.5.1
ONLYOFFICE-DocumentServer-5.5.3
ONLYOFFICE-DocumentServer-5.6.0
ONLYOFFICE-DocumentServer-5.6.1
ONLYOFFICE-DocumentServer-5.6.2
ONLYOFFICE-DocumentServer-5.6.3
ONLYOFFICE-DocumentServer-5.6.4
ONLYOFFICE-DocumentServer-5.6.5
ONLYOFFICE-DocumentServer-6.*
ONLYOFFICE-DocumentServer-6.0.0
ONLYOFFICE-DocumentServer-6.0.1
ONLYOFFICE-DocumentServer-6.0.2
ONLYOFFICE-Online-Editors-2.*
ONLYOFFICE-Online-Editors-2.5
ONLYOFFICE-Online-Editors-2.5.7
v6.*
v6.1.0
v6.1.1
v6.2.0
v6.2.1
v6.2.2
v6.3.0
v6.3.1
v6.3.2
v6.4.0
v6.4.1
v6.4.2
v7.*
v7.0.0
v7.0.1
v7.1.0
v7.1.1
v7.2.0
v7.2.1
v7.2.2
v7.3.0
v7.3.2
v7.3.3
v7.4.0
v7.4.1
v7.5.0
v7.5.1
v8.*
v8.0.0
v8.0.1
v8.1.0
v8.1.1
v8.1.3
v8.2.0
v8.2.1
v8.2.2
v8.3.0
v8.3.1
v8.3.2
v8.3.3
v9.*
v9.0.0
v9.0.2
v9.0.3
v9.0.4
v9.1.0
v9.2.0
v9.2.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-41034.json"